Out-of-Stock 15cm fan 15W Fan - 15cm - Optifan - HighProShop VENTILATEUR-15W-OPTIFAN-HYGHPROSHOP €15.90 The Optifan 15W fan from HighProShop.This 15 cm clamp fan will prove to be an essential tool for the success of your indoor cultivation. Its small diameter will enable you to ventilate your plants at all stages. View